KR101957544B1 - 사운드 필드의 앰비소닉스 표현을 생성하는데 사용되는 강체구 상의 구면 마이크로폰 어레이의 신호들을 프로세싱하는 방법 및 장치 - Google Patents

사운드 필드의 앰비소닉스 표현을 생성하는데 사용되는 강체구 상의 구면 마이크로폰 어레이의 신호들을 프로세싱하는 방법 및 장치 Download PDF

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KR101957544B1
KR101957544B1 KR1020147015683A KR20147015683A KR101957544B1 KR 101957544 B1 KR101957544 B1 KR 101957544B1 KR 1020147015683 A KR1020147015683 A KR 1020147015683A KR 20147015683 A KR20147015683 A KR 20147015683A KR 101957544 B1 KR101957544 B1 KR 101957544B1
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South Korea
Prior art keywords
rti
power
noise
microphone
transfer function
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KR1020147015683A
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English (en)
Korean (ko)
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KR20140089601A (ko
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스벤 고돈
요한-마르쿠스 배케
알렉산더 크뤼거
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돌비 인터네셔널 에이비
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/326—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only for microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
    • H04R2201/401—2D or 3D arrays of transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/004—Monitoring arrangements; Testing arrangements for microphones
    • H04R29/005—Microphone arrays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/027—Spatial or constructional arrangements of microphones, e.g. in dummy heads
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/15—Aspects of sound capture and related signal processing for recording or reproduction

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  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Stereophonic System (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
KR1020147015683A 2011-11-11 2012-10-31 사운드 필드의 앰비소닉스 표현을 생성하는데 사용되는 강체구 상의 구면 마이크로폰 어레이의 신호들을 프로세싱하는 방법 및 장치 KR101957544B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP11306472.9A EP2592846A1 (fr) 2011-11-11 2011-11-11 Procédé et appareil pour traiter des signaux d'un réseau de microphones sphériques sur une sphère rigide utilisée pour générer une représentation d'ambiophonie du champ sonore
EP11306472.9 2011-11-11
PCT/EP2012/071537 WO2013068284A1 (fr) 2011-11-11 2012-10-31 Procédé et appareil de traitement de signaux d'un réseau de microphones sphérique sur une sphère rigide utilisé pour générer une représentation d'ambiophonie du champ sonore

Publications (2)

Publication Number Publication Date
KR20140089601A KR20140089601A (ko) 2014-07-15
KR101957544B1 true KR101957544B1 (ko) 2019-03-12

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KR1020147015683A KR101957544B1 (ko) 2011-11-11 2012-10-31 사운드 필드의 앰비소닉스 표현을 생성하는데 사용되는 강체구 상의 구면 마이크로폰 어레이의 신호들을 프로세싱하는 방법 및 장치

Country Status (6)

Country Link
US (1) US9420372B2 (fr)
EP (2) EP2592846A1 (fr)
JP (1) JP6113739B2 (fr)
KR (1) KR101957544B1 (fr)
CN (1) CN104041074B (fr)
WO (1) WO2013068284A1 (fr)

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US9466305B2 (en) 2013-05-29 2016-10-11 Qualcomm Incorporated Performing positional analysis to code spherical harmonic coefficients
US20140355769A1 (en) 2013-05-29 2014-12-04 Qualcomm Incorporated Energy preservation for decomposed representations of a sound field
US10078006B2 (en) * 2013-07-22 2018-09-18 Brüel & Kjær Sound & Vibration Measurement A/S Wide-band acoustic holography
US20150127354A1 (en) * 2013-10-03 2015-05-07 Qualcomm Incorporated Near field compensation for decomposed representations of a sound field
EP2863654B1 (fr) * 2013-10-17 2018-08-01 Oticon A/s Procédé permettant de reproduire un champ sonore acoustique
EP2879408A1 (fr) * 2013-11-28 2015-06-03 Thomson Licensing Procédé et appareil pour codage et décodage ambisonique d'ordre supérieur au moyen d'une décomposition de valeur singulière
WO2015101915A2 (fr) 2013-12-31 2015-07-09 Distran Gmbh Dispositif à réseau de transducteurs acoustiques
US9922656B2 (en) 2014-01-30 2018-03-20 Qualcomm Incorporated Transitioning of ambient higher-order ambisonic coefficients
US9502045B2 (en) 2014-01-30 2016-11-22 Qualcomm Incorporated Coding independent frames of ambient higher-order ambisonic coefficients
US20150332682A1 (en) * 2014-05-16 2015-11-19 Qualcomm Incorporated Spatial relation coding for higher order ambisonic coefficients
US9852737B2 (en) * 2014-05-16 2017-12-26 Qualcomm Incorporated Coding vectors decomposed from higher-order ambisonics audio signals
US9620137B2 (en) 2014-05-16 2017-04-11 Qualcomm Incorporated Determining between scalar and vector quantization in higher order ambisonic coefficients
US10770087B2 (en) 2014-05-16 2020-09-08 Qualcomm Incorporated Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals
EP2988527A1 (fr) 2014-08-21 2016-02-24 Patents Factory Ltd. Sp. z o.o. Système et procédé de localisation de sources acoustiques dans un espace tridimensionnel
US9747910B2 (en) 2014-09-26 2017-08-29 Qualcomm Incorporated Switching between predictive and non-predictive quantization techniques in a higher order ambisonics (HOA) framework
CN105072557B (zh) * 2015-08-11 2017-04-19 北京大学 一种三维环绕声重放系统的扬声器环境自适应校准方法
JP6606784B2 (ja) * 2015-09-29 2019-11-20 本田技研工業株式会社 音声処理装置および音声処理方法
US10206040B2 (en) 2015-10-30 2019-02-12 Essential Products, Inc. Microphone array for generating virtual sound field
PL3338462T3 (pl) * 2016-03-15 2020-03-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Urządzenie, sposób lub program komputerowy do generowania opisu pola dźwięku
US11218807B2 (en) 2016-09-13 2022-01-04 VisiSonics Corporation Audio signal processor and generator
EP3520437A1 (fr) * 2016-09-29 2019-08-07 Dolby Laboratories Licensing Corporation Procédé, systèmes et appareil pour déterminer une représentation (s) audio d'une ou plusieurs sources audio
FR3060830A1 (fr) * 2016-12-21 2018-06-22 Orange Traitement en sous-bandes d'un contenu ambisonique reel pour un decodage perfectionne
WO2018157098A1 (fr) * 2017-02-27 2018-08-30 Essential Products, Inc. Réseau de microphones servant à générer un champ sonore virtuel
CN110771181B (zh) * 2017-05-15 2021-09-28 杜比实验室特许公司 用于将空间音频格式转换为扬声器信号的方法、系统和设备
JP7190279B2 (ja) 2018-08-10 2022-12-15 三栄源エフ・エフ・アイ株式会社 チーズソース
CN109275084B (zh) * 2018-09-12 2021-01-01 北京小米智能科技有限公司 麦克风阵列的测试方法、装置、系统、设备和存储介质
JP6969793B2 (ja) 2018-10-04 2021-11-24 株式会社ズーム アンビソニックスのためのａ／ｂフォーマット変換装置、ａ／ｂフォーマット変換ソフトウェア、レコーダー、再生ソフトウェア
CN111193990B (zh) * 2020-01-06 2021-01-19 北京大学 一种抗高频空间混叠的3d音频系统及实现方法
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Also Published As

Publication number Publication date
KR20140089601A (ko) 2014-07-15
EP2777298B1 (fr) 2016-03-16
JP6113739B2 (ja) 2017-04-12
CN104041074A (zh) 2014-09-10
CN104041074B (zh) 2017-04-12
JP2014535232A (ja) 2014-12-25
US9420372B2 (en) 2016-08-16
WO2013068284A1 (fr) 2013-05-16
US20140307894A1 (en) 2014-10-16
EP2592846A1 (fr) 2013-05-15
EP2777298A1 (fr) 2014-09-17

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